Refresh组件嵌套scroller组件再嵌套List组件后自定义顶部下拉刷新异常

// xxx.ets  
@Entry  
@Component  
struct RefreshExample {  
  @State isRefreshing: boolean = false  
  @State arr: String[] = ['0', '1', '2', '3', '4','5','6','7','8','9','10']  
  @Builder  
  customRefreshComponent()  
  {  
    Stack()  
    {  
      Row()  
      {  
        LoadingProgress().height(32)  
        Text("正在刷新...").fontSize(16).margin({left:20})  
      }  
      .alignItems(VerticalAlign.Center)  
    }.width("100%").align(Alignment.Center)  
  }  
  
  build() {  
    Column() {  
      Refresh({ refreshing: $$this.isRefreshing,builder:this.customRefreshComponent()}) {  
        List() {  
          ForEach(this.arr, (item: string) => {  
            ListItem() {  
              Text('' + item)  
                .width('100%').height(100).fontSize(16)  
                .textAlign(TextAlign.Center).borderRadius(10).backgroundColor(0xFFFFFF)  
            }  
          }, (item: string) => item)  
        }  
        .onScrollIndex((first: number) => {  
          console.info(first.toString())  
        })  
        .width('100%')  
        .height('100%')  
        .divider({strokeWidth:1,color:Color.Yellow,startMargin:10,endMargin:10})  
        .scrollBar(BarState.Off)  
      }  
      .onStateChange((refreshStatus: RefreshStatus) => {  
        console.info('Refresh onStatueChange state is ' + refreshStatus)  
      })  
      .onRefreshing(() => {  
        setTimeout(() => {  
          this.isRefreshing = false  
        }, 2000)  
        console.log('onRefreshing test')  
      })  
      .backgroundColor(0x89CFF0)  
    }  
  }  
}
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